Xi Shi (xi) was breeding an egg (子) in the aorta's bathroom (ao4), and she even put a crown (⺹) on it (the crown is on top of the egg: 孝), so much she loved her little prince. Unfortunately the egg died, and thus Marie Curie put on her mourning veil (孝).
Confucian moral injunctions of fidelity / piety to one's parents, respect to one's older brother, loyalty to one's monarch, faith to one's male friends